BigAir 400 CFM Solar Powered Roof Vent/Fan
400 CFM provides a complete air exchange every 3 minutes in a 20 ft container and every 6 minutes in a 40 ft container under ideal conditions. Anti-UV/Freeze Construction Removable Aluminum Bug Filter Unique Metal Framing Kit Designed for Shipping Containers Quiet Operation, Fully Assembled – No On or Off switch! In most jurisdictions, low voltage (12v) fans can be used in hazardous materials (HAZMAT) settings without the need for explosion-proof electrical. Disclaimer: To be used in conjunction with BigAir45 vents for HAZMAT storage so that there is adequate passive ventilation at times when the solar-powered fan is not in operation. Engineered to be installed anywhere on shipping container, van trailers & all wood construction building rooftops 10 W monocrystalline solar panel. No on or off switch! ABS-PC anti-UV/Freeze construction. Brushless DC NSK Japanese Ball Bearings Cools up to 500 sq feet of attic space. Ventilates up to 400 CFM 11 3/4 x 15 inch Rough Opening. Vent op